causes of disease
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Disease In humans, disease is often used more broadly to refer to any condition that causes pain, dysfunction, distress, social problems, or death to the person afflicted, or similar problems for those in contact with the person.orbidity (from Latin morbidus, meaning sick, unhealthy) is a diseased state, disability, or poor health due to any cause. The term may be used to refer to the existence of any form of disease, or to the degree that the health condition affects the patient.
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- The cause of autoimmune disease is unknown. There are many theories about what triggers autoimmune diseases, including: 1  bacteria or virus. 2  drugs. 3  chemical irritants. 4  environmental irritants.he following are some of the more common autoimmune diseases: 1  rheumatoid arthritis: inflammation of joints and surrounding tissues. 2  systemic lupus erythematosus: affects skin, joints, kidneys, brain, and other organs.
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Disease Death due to disease is called death by natural causes. There are four main types of disease: pathogenic disease, deficiency disease, hereditary disease, and physiological disease.nfectious. Infectious diseases, also known as transmissible diseases or communicable diseases, comprise clinically evident illness (i.e., characteristic medical signs and/or symptoms of disease) resulting from the infection, presence and growth of pathogenic biological agents in an individual host organism.
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Genes and human disease TB, or tuberculosis, is a disease caused by bacteria called Mycobacterium tuberculosis that can affect anyone at any age. The bacteria usually attacks the lungs. Particular groups of individuals, however, are shown to be at a higher risk of acquiring the disease than others.ymptoms of the disease include a persistent cough, fatigue, weight loss, fever, coughing blood, and sweating at night. When an infected individual coughs or sneezes, others nearby are at risk for breathing in the bacteria.
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Disease A disease is a particular abnormal condition, a disorder of a structure or function, that affects part or all of an organism. The causal study of disease is called pathology. Disease is often construed as a medical condition associated with specific symptoms and signs. It may be caused by factors originally from an external source, such as infectious disease, or it may be caused by internal dysfunctions, such as autoimmune diseases.
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Causes The exact cause of Crohn's disease is unknown. Most researchers think it's caused by a combination of factors. These are thought to be: 1  genetics. 2  the immune system.3  smoking. 4  previous infection.he exact cause of Crohn's disease is unknown. Most researchers think it's caused by a combination of factors. These are thought to be: 1  genetics. 2  the immune system. 3  smoking.
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Definitions &Translations Diseases usually affect people not only physically, but also emotionally, as contracting and living with a disease can alter one's perspective on life, and one's personality. Death due to disease is called death by natural causes.There are four main types of disease: pathogenic disease, deficiency disease, hereditary disease, and physiological disease. Diseases can also be classified as communicable and non-communicable.iseases usually affect people not only physically, but also emotionally, as contracting and living with a disease can alter one's perspective on life, and one's personality. Death due to disease is called death by natural causes.
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Disease Scanning electron micrograph of Mycobacterium tuberculosis, a bacterium that causes tuberculosis. A disease is a particular abnormal condition, a disorder of a structure or function, that affects part or all of an organism. The study of disease is called pathology which includes the causal study of etiology. Disease is often construed as a medical condition associated with specific symptoms and signs.
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Disease A disease is a particular abnormal condition, a disorder of a structure or function, that affects part or all of an organism. The causal study of disease is called pathology. Disease is often construed as a medical condition associated with specific symptoms and signs.he term disease broadly refers to any condition that impairs the normal functioning of the body. For this reason, diseases are associated with dysfunctioning of the body's normal homeostatic process.
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- disease in Medicine. disease dis·ease (dĭ-zēz') n. A pathological condition of a body part, an organ, or a system resulting from various causes, such as infection, genetic defect, or environmental stress, and characterized by an identifiable group of signs or symptoms.
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Heart Diseases If you're like most people, you think that heart disease is a problem for others. But heart disease is the number one killer in the U.S. It is also a major cause of disability. There are many different forms of heart disease. The most common cause of heart disease is narrowing or blockage of the coronary arteries, the blood vessels that supply blood to the heart itself. This is called coronary artery disease and happens slowly over time. It's the major reason people have heart attacks. Other kinds of heart problems may happen to the valves in the heart, or the heart may not pump well and cause heart failure.
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Heart disease: Causes and cures When you look at the true causes of degenerative heart disease, you have to keep in mind that people, as individuals, respond to causes differently. But the one factor that stands out as the major cause of heart disease is diet. The saturated fats, which are commonly found in flesh foods, are a problem.
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The Cause and Effect of Diseases on the human body From Wikibooks, open books for an open world. An infectious disease is a disease resulting from the presence of pathogens including viruses, bacteria, fungi, protozoa and multicellular parasites. These pathogens are able to cause disease in animals and/or plants.rom Wikibooks, open books for an open world. An infectious disease is a disease resulting from the presence of pathogens including viruses, bacteria, fungi, protozoa and multicellular parasites. These pathogens are able to cause disease in animals and/or plants.
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Crohn's Disease (What Is Crohn's Disease?) Crohn's Disease Causes. The exact cause of Crohn's disease remains unknown. 1  Current theories suggest that genetics, environment, diet, blood vessel abnormalities, and/or even psychosocial factors cause Crohn's disease.
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disease 1. An abnormal condition of a part, organ, or system of an organism resulting from various causes, such as infection, inflammation, environmental factors, or genetic defect, and characterized by an identifiable group of signs, symptoms, or both. 2.
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- 2. 'disease'. A disease is a particular kind of illness caused by bacteria or an infection. Diseases can often be passed from one person to another. Glaucoma is an eye disease. Children should be immunised against dangerous diseases. Animals and plants can also have diseases, but not illnesses.
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Overview Causes. Liver disease has many causes. Infection. Parasites and viruses can infect the liver, causing inflammation that reduces liver function. The viruses that cause liver damage can be spread through blood or semen, contaminated food or water, or close contact with a person who is infected.
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Chronic condition Chronic diseases constitute a major cause of mortality and the World Health Organization (WHO) reports chronic non-communicable conditions to be by far the leading cause of mortality in the world, representing 35 million deaths in 2005 and over 60% of all deaths.
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Overview Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful, but under certain conditions, some organisms may cause disease. Some infectious diseases can be passed from person to person. Some are transmitted by bites from insects or animals. And others are acquired by ingesting contaminated food or water or being exposed to organisms in the environment.
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10 Primary Causes of Disease and Dysfunction 10 Primary Causes of Disease and Dysfunction. With few exceptions, disease and dysfunction do not appear overnight. Disease and dysfunction tend to develop slowly, usually over many years as subtle and overt signs that mark loss of health are ignored.
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- There are many types of viruses that cause a wide variety of viral diseases. The most common type of viral disease is the common cold, which is caused by a viral infection of the upper respiratory tract (nose and throat). Other common viral diseases include: Chickenpox. Flu (influenza).
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Common causes of Heart disease Causes of Heart disease that are common The following causes of Heart disease are diseases or conditions that affect more than 1 million people in the USA: Atherosclerosis - heart disease. Hemochromatosis - Heart disease. Lupus - Cardiovascular disease.
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Types of Diseases, Treatment and Their Control Methods A disease is an abnormal condition affecting the body of an organism. There are four main types of disease: pathogenic disease, deficiency disease, hereditary disease, and physiological disease.Pathogenic diseases are caused by what is called a pathogen. Pathogens are parasitic organisms that cause disease in their host.For example the pathogen e.coli which can make people ill or kill them. Deficiency diseases are caused by a deficiency of a particular nutrient in the diet.A lack of vitamin c causes scurvy. Hereditary diseases are passed on through generations via their genes, for example sickle cell disease.hysiological diseases such as diabetes can be treated by: Diet-a healthy diet is key to controlling blood sugar levels and preventing diabetes complications. Exercise-regular exercise can reduce the risk of developing complications of diabetes such as stroke and kidney failure.
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Causes and Risks of Heart Disease Causes of heart disease. Heart disease occurs when plaque develops in the arteries and blood vessels that lead to the heart. This blocks important nutrients and oxygen from reaching your heart. Plaque is a waxy substance made up of cholesterol, fatty molecules, and minerals.
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Disease In humans, disease is often used more broadly to refer to any condition that causes pain, dysfunction, distress, social problems, or death to the person afflicted, or similar problems for those in contact with the person. localized disease is one that affects only one part of the body, such as athlete's foot or an eye infection. Disseminated disease. A disseminated disease has spread to other parts; with cancer, this is usually called metastatic disease.
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Heart Disease Essay Heart disease or Cardiovascular disease is an abnormal function of the heart or blood vessels. It can cause an increase in risk for heart attack, heart failure, sudden death, stroke and cardiac rhythm problems, thus resulting in decreased quality of life and decreased life expectancy. The causes of cardiovascular disease range from structural defects, to infection, inflammation, environment and genetics.